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path: root/drivers/md/dm-cache-target.c
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Diffstat (limited to 'drivers/md/dm-cache-target.c')
-rw-r--r--drivers/md/dm-cache-target.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 2c66315553f2..161bbd6652f8 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -1432,9 +1432,8 @@ static void process_bio(struct cache *cache, struct prealloc *structs,
dm_oblock_t block = get_bio_block(cache, bio);
struct dm_bio_prison_cell *cell_prealloc, *old_ocell, *new_ocell;
struct policy_result lookup_result;
- bool discarded_block = is_discarded_oblock(cache, block);
bool passthrough = passthrough_mode(&cache->features);
- bool can_migrate = !passthrough && (discarded_block || spare_migration_bandwidth(cache));
+ bool discarded_block, can_migrate;
/*
* Check to see if that block is currently migrating.
@@ -1446,6 +1445,9 @@ static void process_bio(struct cache *cache, struct prealloc *structs,
if (r > 0)
return;
+ discarded_block = is_discarded_oblock(cache, block);
+ can_migrate = !passthrough && (discarded_block || spare_migration_bandwidth(cache));
+
r = policy_map(cache->policy, block, true, can_migrate, discarded_block,
bio, &lookup_result);